Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458668 | Method for manufacturing hetero junction bipolar transistor | Tae Ho Yoon, Sang Hoon Cheon, Song Cheol Hong, Heung Seob Koo | 2002-10-01 |
SC
Sea Houng Cho
Overall (All Time): #3,559,221 of 4,157,543Top 90%
1
Patents All Time